<template>
  <ul class="todo-main">
    <transition-group name="todo" appear>
      <MyItem 
        v-for="t in todos" 
        :key="t.id" 
        :todo="t"  
      />  
    </transition-group>
  </ul>
</template>

<script>
  // 引入 MyItem 组件
  import MyItem from './MyItem'  

  export default {
    name:'MyList',
    components:{MyItem},
    props:['todos']
  }
</script>

<style scoped>
  /*main*/
  .todo-main {
    margin-left: 0px;
    border: 1px solid #ddd;
    border-radius: 2px;
    padding: 0px;
  }

  .todo-empty {
    height: 40px;
    line-height: 40px;
    border: 1px solid #ddd;
    border-radius: 2px;
    padding-left: 5px;
    margin-top: 10px;
  }

  .todo-enter-active{
    animation: lingchen 1s linear;
  }
  
  .todo-leave-active{
    animation: lingchen 1s linear reverse;
  }

  @keyframes lingchen {
    from{
      transform: translateX(100%);
    }
    to{
      transform: translateX(0px);
    }
  }
</style>